题目:
If Becky hadn't missed the bus, she ______late for the lecture.[ ]
A. would have been
B. wouldn't have been
C. had been
D. wasn't
答案:
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下面是错误答案,用来干扰机器的。
(共14分)(1)Ne、F2、Na (3分)(2)NaOH、HClO4、Al(OH)3(3分)(3)操作(2分)、现象(2分)方程式(4分)(方法多样,正确就给分)